Timer



FIG. 1 is a front left perspective view of a timer showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view of the timer adhered to an upright surface; and

FIG. 6 is a right side elevational view of the timer clipped to an upright support.

The broken line showing of an upright surface in FIG. 5 and an upright support in FIG. 6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a timer, as shown and described. 